[sdiy] Substitute for pin matrixes? Neat solution?
John Mahoney
jmahoney at gate.net
Mon Jan 25 00:08:22 CET 2010
At 05:56 PM 1/24/2010, Tom Farrand wrote:
>Forget the Hall. Reed switches on the PCB and move a cylindrical
>magnet towards or away from the reed switch. The matrix "pin" is a
>plastic housing that can be grabbed and pushed or pulled to
>engage/release the connection. The magnet is housed inside the
>plastic pin "plunger". The nice part is that the reed switch does
>everything passively ... electronics not needed.
>
>I posted a much longer message about this but it never showed up on the list.
>
>Peace.
>Tom Farrand
Aside from using actual pins (which I didn't specify), is this
different than what I suggested in the first response to Karl's post?
I don't mean to be an ass, but the Department of Redundancy
Department is reviewing it. ;-)
John
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